#4555D3#4555D3

#4555D3 is a mid, vivid blue. Relative luminance 0.125; OKLCH L 51.3% C 0.193 H 272.2°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#4555D3
RGB	rgb(69, 85, 211)
HSL	hsl(233, 62%, 55%)
HSV	hsv(233, 67%, 83%)
CMYK	cmyk(67.3%, 59.7%, 0%, 17.3%)
CIE-LAB	lab(41.94, 34.46, -66.84)
CIE-LCH	lch(41.94, 75.20, 297.27°)
OKLab	oklab(51.31% 0.0073 -0.1927)
OKLCH	oklch(51.31% 0.193 272.2)
XYZ	xyz(17.4567, 12.4637, 63.1012)
Luminance	0.1246 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4555D3 #D3C345

analogous

#459CD3 #4555D3 #7C45D3

triadic

#4555D3 #D34555 #55D345

tetradic

#4555D3 #D3459C #D3C345 #45D37C

square

#4555D3 #D3459C #D3C345 #45D37C

split-complementary

#4555D3 #D37C45 #9CD345

monochromatic

#1E297F #2A39B1 #4555D3 #7682DF #A8AFEA

Accessibility & contrast

On white

6.01

#4555D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#4555D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4555D3

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4555D3	#FFFFFF	#000000	##FFFFFF
##4555D3	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD7

Deuteranopia (green-blind)

#005DD1

Tritanopia (blue-blind)

#00748C

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4555d3;
/* rgb */ color: rgb(69, 85, 211);
/* oklch */ color: oklch(51.3% 0.193 272.2);

Tailwind

colors: {
  custom: {
    50: '#8984e1',
    500: '#4555d3',
    950: '#000000',
  },
}

SCSS

$custom: #4555d3;
$custom-light: #8984e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4555d3",
  "rgb": {
    "r": 69,
    "g": 85,
    "b": 211
  },
  "hsl": {
    "h": 233.239,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.5131,
    "c": 0.19282,
    "h": 272.2
  },
  "luminance": 0.12465
}

Semantic roles & 50–950 ramp

primary

#4555D3

secondary

#D8D19C

accent

#D343E5

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4555D3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →